145158120

Names of 145158120

• Cardinal: 145158120 can be written as One hundred forty-five million, one hundred fifty-eight thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.4515812 × 10⁸

Factors of 145158120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 13048

Divisors of 145158120

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 31 36 40 45 60 62 72 90 93 120 124 155 180 186 248 279 310 360 372 465 558 620 744 930 1116 1240 1395 1860 2232 2790 3720 5580 11160 13007 26014 39021 52028 65035 78042 104056 117063 130070 156084 195105 234126 260140 312168 390210 403217 468252 520280 585315 780420 806434 936504 1170630 1209651 1560840 1612868 2016085 2341260 2419302 3225736 3628953 4032170 4682520 4838604 6048255 7257906 8064340 9677208 12096510 14515812 16128680 18144765 24193020 29031624 36289530 48386040 72579060 145158120
• Sum of all divisors σ(n): 487019520
• Sum of proper divisors (its aliquot sum) s(n): 341861400
• 145158120 is an abundant number, because the sum of its proper divisors (341861400) is greater than itself. Its abundance is 196703280

Bases of 145158120

• Binary: 1000101001101110111111101000₂
• Hexadecimal: 0x8A6EFE8
• Base-36: 2EF8Q0

Squares and roots of 145158120

• 145158120 squared (145158120²) is 21070879801934400
• 145158120 cubed (145158120³) is 3058609298794769867328000
• The square root of 145158120 is 12048.1583654931
• The cube root of 145158120 is 525.5496827765

Scales and comparisons

• 145,158,120 seconds is equal to 4 years, 32 weeks, 1 hour, 42 minutes.
• To count from 1 to 145,158,120 would take you about six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 145158120 cubic inches would be around 43.8 feet tall.

Recreational maths with 145158120

• 145158120 backwards is 021851541
• The number of decimal digits it has is: 9
• The sum of 145158120's digits is 27
• More coming soon!